SOLUTION: 1. The mean SAT verbal score is 412, with a standard deviation of 90. Use the Empirical Rule to determine what percent of the scores lie between 412 and 592. (Assume the data set h

Algebra ->  Probability-and-statistics -> SOLUTION: 1. The mean SAT verbal score is 412, with a standard deviation of 90. Use the Empirical Rule to determine what percent of the scores lie between 412 and 592. (Assume the data set h      Log On


   

Question 930302: 1. The mean SAT verbal score is 412, with a standard deviation of 90. Use the Empirical Rule to determine what percent of the scores lie between 412 and 592. (Assume the data set has a bell-shaped distribution.)

34%

81.5%

47.5%

68%

None of the above
Answer by stanbon(75887) About Me  (Show Source):
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The mean SAT verbal score is 412, with a standard deviation of 90. Use the Empirical Rule to determine what percent of the scores lie between 412 and 592. (Assume the data set has a bell-shaped distribution.)
34%
81.5%
47.5%
68%
None of the above
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Find how many std deviations 592 is from the mean.
(592-412)/90 = 580/90 = 6.444
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Ans: 50%
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Cheers,
Stan H.
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